<html>
 <body>
  <script>
    var txt = "Hello";
	person = new Object();
	person.firstname = "Bill";
	person.lastname = "Gates";
    person.age = 56;
    person.eyecolor="blue";
    document.write(person.firstname+" is "+person.age +"years old."+"<br>" )	
	
	
	var message  = "Hello World!";
	var x = message.length;
	document.write(x+"<br>")

    var m = message.toUpperCase();
    document.write(m)	
   </script>
    
 </body>
 </html>